NEWS.md

In riemtan: Riemannian Metrics for Symmetric Positive Definite Matrices

riemtan 0.1.0

New Features

• Implements various Riemannian metrics for symmetric positive definite matrices, including:
• Affine Invariant Riemannian Metric (AIRM)
• Log-Euclidean
• Euclidean
• Log-Cholesky
• Bures-Wasserstein metrics
• Provides functions for:
• Computing logarithmic and exponential maps
• Vectorization

Documentation

• Added comprehensive documentation for all functions using roxygen2.
• Included vignettes demonstrating the usage of the package.

Dependencies

• Depends on R (>= 4.3.0)
• Imports the following packages:
• Matrix
• methods
• expm
• R6
• purrr
• MASS
• furrr
• Suggests the following packages for testing and documentation:
• testthat (>= 3.0.0)
• knitr
• rmarkdown

Miscellaneous

• Added a LICENSE file with the MIT license.
• Maintainer: Nicolas Escobar [e-mail]

riemtan documentation built on June 8, 2025, 9:39 p.m.